. /.   WORLD TRADE  
ORGANIZATION  G/SPS/N/USA/1301 
8 May 2006 
 (06-2205) 
Committee on Sanitary a nd Phytosanitary Measures Original:   English 
  
NOTIFICATION 
 
1. Member to Agreement notifying:  UNITED STATES
 
If applicable, name of local government involved:   
2. Agency responsible:  Environmental Protection Agency (EPA)  
3. Products covered (provide tariff item number(s) as specified in national schedules 
deposited with the WTO; ICS numbers should be provided in addition, where 
applicable):  Disinfectants, food and non-food contact sanitizers, wood preservatives, 
bacteriocide/bacteriostat, microbiocide/microbios tats, fungicide/fungistats, algaecides, and 
virucides.  
4. Regions or countries likely to be affected, to the extent relevant or practicable:  Any 
US trade partners.  
5. Title, language and number of pages of the notified document:  Notice.  Alkyl Dimethyl 
Ammonium Chloride Risk Assessments and Preliminary Risk Reduction Options;  Notice 
of Availability (Available in English, 3 pages).  
6. Description of content:  This notice announces the availab ility of EPA's risk assessments, 
preliminary risk reduction options, and relate d documents for the Group II Quat Clustr of 
structurally similar quaternary ammonium compounds known as alkyl dimethyl ammonium 
chloride (ADBAC), and opens a public comment period on these documents. 
This chemical is an antimicrobial pesticide u sed in agricultural, food handling, commercial, 
institutional/industrial, residential, a nd public access, and medical settings. 
ADBAC is an active ingredient in numerous types of products.  These products are mainly 
disinfectants, food and non-food contact sanitizers, wood preservatives, bacteriocide/bacteriostat, microbiocide/microbios tats, fungicide/fungistats, algaecides, and 
virucides. These products are used in ag ricultural, food handling, commercial, 
institutional/industrial, residen tial, and public access, and medical settings. Examples of 
registered uses for ADBAC in these settings in clude application to i ndoor and outdoor hard 
surfaces (e.g., walls, floors, tables, toilets, and other similar surfaces), eating utensils, 
laundry, carpets, agricultural tools and vehicles, egg shell, shoes, milking equipment and 
udders, humidifiers, RV tanks, medical instru ments, human remains, ultrasonic tanks, 
reverse osmosis units, and water storage tanks.  There are products that are used in residential and commercial swimming pools,  aquatic areas such as decorative ponds, 
decorative fountains, and agricultural wateri ng lines, and industrial process and water 
systems such as once through and recircula ting cooling water systems, cooling water 
towers, evaporative condensers, pasteurizer s, drilling mud and packer fluids, oil well 
injection and wastewater systems, pulp a nd paper products, water, and chemicals. 
Additionally, these products are used in wood preservation through non-pressure and pressure treatment methods.  G/SPS/N/USA/1301 
Page 2  
 
  7. Objective and rationale: [ X ] food safety,  [   ] animal health,  [ X ] plant protection, 
[ X ] protect humans from animal/plant pest or disease, [   ] protect territory from other damage from pests   
8. International standard, guideline or recommendation: 
[   ] Codex Alimentarius Commission,  [   ] World Organization for Animal Health 
(OIE), [   ] International Plant Protection Convention,  [ X ] None 
If an international standard, guideline or recommendation exists, give the appropriate 
reference and briefly identify deviations:   
9. Relevant documents and language(s) in which these are available:  Federal Register: 
26 April 2006 (Volume 71, Number 80, Pages 24675-24677.   http://www.epa.gov/fedrgstr/EPA-PEST/2006/April/Day-26/p6299.htm  
Available in English.  
10. Proposed date of adoption:  Not specified. 
11. Proposed date of entry into force:  N/A – this is a notice of availability and may or may 
not result in a future regulatory action.  A notice invites the public to submit additional scientific information and comments to the Agency.  
12. Final date for comments:  Members are encouraged to submit their comments by 
26 June 2006.  
Agency or authority designated to handle comments:  [   ] National notification 
authority, [ X ] National enquiry point, or address, fax number and E-mail address (if 
available) of other body:   
Antimicrobials Division (7510C), Office of Pesticide Programs, Environmental Protection 
Agency, 1200 Pennsylvania Ave., NW., Washington, DC 20460-0001  
13. Texts available from:  [ X ] National notifi cation authority, [   ] National enquiry 
point, or address, fax number and E-mail address (if available) of other body:   
Ms Deborah Thompson, Acting, United Stat es SPS National Notification Authority, USDA 
Foreign Agricultural Service, Food Safety & Technical Services Division, Stop 1027, 
Washington D.C. 20250.  Tel:  202-720-4051;  Fax:  202-690-0677;  E-mail: fstsd@fas.usda.gov